New energy for old shafts

OLD mine shafts could be turned into batteries through a collaboration between Green Gravity and professional services firm GHD.

New energy for old shafts New energy for old shafts New energy for old shafts New energy for old shafts New energy for old shafts

Daniel Todd (left) and Mark Swinnerton.

Wollongong-based Green Gravity's energy storage system moves heavy weights vertically in legacy mine shafts to capture and release the gravitational potential energy of the weights.

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